Kubernetes issues are often not obvious. You can have Pods running and Services configured correctly, but traffic still does not reach your application.
These problems usually come from small configuration details such as selector mismatches, readiness checks, or how Kubernetes handles networking internally.
This section focuses on practical debugging, including why Services have no endpoints, why Pods are not reachable, and how to troubleshoot real deployment issues.
The Problem I deployed an app on Kubernetes, exposed it with a Service, and everything looked fine. But when I checked: It returned: 👉 No endpoints means your Service isn’t routing traffic to anything. What Looked Correct (But Wasn’t) At first glance, everything seemed fine: But requests were failing or timing out. 👉 This is […]
Last updated on February 27th, 2025 at 07:16 amModern applications need to be fast—but constant trips to backend databases or APIs can grind performance to a halt. In this step-by-step guide to configure caching with Istio & Envoy, you’ll learn how to store frequently accessed data closer to users, eliminating delays and ensuring your app stays lightning-fast. […]
Istio enables comprehensive monitoring and visualization of microservice communication within your Kubernetes cluster. By using Istio, you can gain valuable insights into how your microservices interact, allowing for improved management and optimization of your system. Istio employs a proxy to capture all network traffic, enabling a wide range of application-aware functionalities that are determined by […]
Last updated on November 6th, 2024 at 08:28 amIn this tutorial I will walk you through how simple it is to define multiple sources for helm chart deployment in Argo CD.Lets say for instance you need to pull multiple values from different git repositories. This can be accomplished easily using Argo CD. For example, if […]
© 2026 DevOps Central
From Anders Noren — Up ↑
